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moonlight-qt/app/streaming/video/ffmpeg-renderers/dxva2.cpp
Cameron Gutman e6c4332445 Revert "Use Rec 2020 colorspace for WCG support even if HDR is off on the host" 
Rec 2020 conversion causes colors to be blown out in SDR

This reverts commit 472e8ee92e.
2022-10-13 01:19:49 -05:00

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// minwindef.h defines min() and max() macros that conflict with
// std::numeric_limits, which Qt uses in some of its headers.
#define NOMINMAX
#include <initguid.h>
#include "dxva2.h"
#include "dxutil.h"
#include "../ffmpeg.h"
#include <streaming/streamutils.h>
#include <streaming/session.h>
#include <SDL_syswm.h>
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <VersionHelpers.h>
#include <dwmapi.h>
#include <Limelight.h>
DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68,0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
#define SAFE_COM_RELEASE(x) if (x) { (x)->Release(); }
typedef struct _VERTEX
{
float x, y, z, rhw;
float tu, tv;
} VERTEX, *PVERTEX;
DXVA2Renderer::DXVA2Renderer(int decoderSelectionPass) :
m_DecoderSelectionPass(decoderSelectionPass),
m_DecService(nullptr),
m_Decoder(nullptr),
m_SurfacesUsed(0),
m_Pool(nullptr),
m_OverlayLock(0),
m_Device(nullptr),
m_RenderTarget(nullptr),
m_ProcService(nullptr),
m_Processor(nullptr),
m_FrameIndex(0),
m_BlockingPresent(false),
m_DeviceQuirks(0)
{
RtlZeroMemory(m_DecSurfaces, sizeof(m_DecSurfaces));
RtlZeroMemory(&m_DXVAContext, sizeof(m_DXVAContext));
RtlZeroMemory(m_OverlayVertexBuffers, sizeof(m_OverlayVertexBuffers));
RtlZeroMemory(m_OverlayTextures, sizeof(m_OverlayTextures));
// Use MMCSS scheduling for lower scheduling latency while we're streaming
DwmEnableMMCSS(TRUE);
}
DXVA2Renderer::~DXVA2Renderer()
{
DwmEnableMMCSS(FALSE);
SAFE_COM_RELEASE(m_DecService);
SAFE_COM_RELEASE(m_Decoder);
SAFE_COM_RELEASE(m_Device);
SAFE_COM_RELEASE(m_RenderTarget);
SAFE_COM_RELEASE(m_ProcService);
SAFE_COM_RELEASE(m_Processor);
for (int i = 0; i < ARRAYSIZE(m_OverlayVertexBuffers); i++) {
SAFE_COM_RELEASE(m_OverlayVertexBuffers[i]);
}
for (int i = 0; i < ARRAYSIZE(m_OverlayTextures); i++) {
SAFE_COM_RELEASE(m_OverlayTextures[i]);
}
for (int i = 0; i < ARRAYSIZE(m_DecSurfaces); i++) {
SAFE_COM_RELEASE(m_DecSurfaces[i]);
}
if (m_Pool != nullptr) {
av_buffer_pool_uninit(&m_Pool);
}
}
void DXVA2Renderer::ffPoolDummyDelete(void*, uint8_t*)
{
/* Do nothing */
}
AVBufferRef* DXVA2Renderer::ffPoolAlloc(void* opaque, FF_POOL_SIZE_TYPE)
{
DXVA2Renderer* me = reinterpret_cast<DXVA2Renderer*>(opaque);
if (me->m_SurfacesUsed < ARRAYSIZE(me->m_DecSurfaces)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 decoder surface high-water mark: %d",
me->m_SurfacesUsed);
return av_buffer_create((uint8_t*)me->m_DecSurfaces[me->m_SurfacesUsed++],
sizeof(*me->m_DecSurfaces), ffPoolDummyDelete, 0, 0);
}
return NULL;
}
bool DXVA2Renderer::prepareDecoderContext(AVCodecContext* context, AVDictionary**)
{
// m_DXVAContext.workaround and report_id already initialized elsewhere
m_DXVAContext.decoder = m_Decoder;
m_DXVAContext.cfg = &m_Config;
m_DXVAContext.surface = m_DecSurfaces;
m_DXVAContext.surface_count = ARRAYSIZE(m_DecSurfaces);
context->hwaccel_context = &m_DXVAContext;
context->get_buffer2 = ffGetBuffer2;
#if LIBAVCODEC_VERSION_MAJOR < 60
AV_NOWARN_DEPRECATED(
context->thread_safe_callbacks = 1;
)
#endif
m_Pool = av_buffer_pool_init2(ARRAYSIZE(m_DecSurfaces), this, ffPoolAlloc, nullptr);
if (!m_Pool) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed create buffer pool");
return false;
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using DXVA2 accelerated renderer");
return true;
}
int DXVA2Renderer::ffGetBuffer2(AVCodecContext* context, AVFrame* frame, int)
{
DXVA2Renderer* me = (DXVA2Renderer*)((FFmpegVideoDecoder*)context->opaque)->getBackendRenderer();
frame->buf[0] = av_buffer_pool_get(me->m_Pool);
if (!frame->buf[0]) {
return AVERROR(ENOMEM);
}
frame->data[3] = frame->buf[0]->data;
frame->format = AV_PIX_FMT_DXVA2_VLD;
frame->width = me->m_VideoWidth;
frame->height = me->m_VideoHeight;
return 0;
}
bool DXVA2Renderer::initializeDecoder()
{
HRESULT hr;
if (isDecoderBlacklisted()) {
return false;
}
hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoDecoderService,
reinterpret_cast<void**>(&m_DecService));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2CreateVideoService(IID_IDirectXVideoDecoderService) failed: %x",
hr);
return false;
}
GUID* guids;
GUID chosenDeviceGuid;
UINT guidCount;
hr = m_DecService->GetDecoderDeviceGuids(&guidCount, &guids);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDecoderDeviceGuids() failed: %x",
hr);
return false;
}
UINT i;
for (i = 0; i < guidCount; i++) {
if (m_VideoFormat == VIDEO_FORMAT_H264) {
if (IsEqualGUID(guids[i], DXVA2_ModeH264_E) ||
IsEqualGUID(guids[i], DXVA2_ModeH264_F)) {
chosenDeviceGuid = guids[i];
break;
}
else if (IsEqualGUID(guids[i], DXVADDI_Intel_ModeH264_E)) {
chosenDeviceGuid = guids[i];
m_DXVAContext.workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
break;
}
}
else if (m_VideoFormat == VIDEO_FORMAT_H265) {
if (IsEqualGUID(guids[i], DXVA2_ModeHEVC_VLD_Main)) {
chosenDeviceGuid = guids[i];
break;
}
}
else if (m_VideoFormat == VIDEO_FORMAT_H265_MAIN10) {
if (IsEqualGUID(guids[i], DXVA2_ModeHEVC_VLD_Main10)) {
chosenDeviceGuid = guids[i];
break;
}
}
}
CoTaskMemFree(guids);
if (i == guidCount) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"No matching decoder device GUIDs");
return false;
}
DXVA2_ConfigPictureDecode* configs;
UINT configCount;
hr = m_DecService->GetDecoderConfigurations(chosenDeviceGuid, &m_Desc, nullptr, &configCount, &configs);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDecoderConfigurations() failed: %x",
hr);
return false;
}
for (i = 0; i < configCount; i++) {
if ((configs[i].ConfigBitstreamRaw == 1 || configs[i].ConfigBitstreamRaw == 2) &&
IsEqualGUID(configs[i].guidConfigBitstreamEncryption, DXVA2_NoEncrypt)) {
m_Config = configs[i];
break;
}
}
CoTaskMemFree(configs);
if (i == configCount) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"No matching decoder configurations");
return false;
}
// Alignment was already taken care of
SDL_assert(m_Desc.SampleWidth % 16 == 0);
SDL_assert(m_Desc.SampleHeight % 16 == 0);
hr = m_DecService->CreateSurface(m_Desc.SampleWidth,
m_Desc.SampleHeight,
ARRAYSIZE(m_DecSurfaces) - 1,
m_Desc.Format,
D3DPOOL_DEFAULT,
0,
DXVA2_VideoDecoderRenderTarget,
m_DecSurfaces,
nullptr);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateSurface() failed: %x",
hr);
return false;
}
hr = m_DecService->CreateVideoDecoder(chosenDeviceGuid, &m_Desc, &m_Config,
m_DecSurfaces, ARRAYSIZE(m_DecSurfaces),
&m_Decoder);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVideoDecoder() failed: %x",
hr);
return false;
}
return true;
}
bool DXVA2Renderer::initializeRenderer()
{
HRESULT hr;
hr = m_Device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &m_RenderTarget);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetBackBuffer() failed: %x",
hr);
return false;
}
D3DSURFACE_DESC renderTargetDesc;
m_RenderTarget->GetDesc(&renderTargetDesc);
m_DisplayWidth = renderTargetDesc.Width;
m_DisplayHeight = renderTargetDesc.Height;
if (!(m_DeviceQuirks & DXVA2_QUIRK_NO_VP)) {
hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoProcessorService,
reinterpret_cast<void**>(&m_ProcService));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2CreateVideoService(IID_IDirectXVideoProcessorService) failed: %x",
hr);
return false;
}
DXVA2_VideoProcessorCaps caps;
hr = m_ProcService->GetVideoProcessorCaps(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, &caps);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetVideoProcessorCaps() failed for DXVA2_VideoProcProgressiveDevice: %x",
hr);
return false;
}
if (!(caps.DeviceCaps & DXVA2_VPDev_HardwareDevice)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice is not hardware: %x",
caps.DeviceCaps);
return false;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGB) &&
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGBExtended)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice can't convert YUV2RGB: %x",
caps.VideoProcessorOperations);
return false;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchX) ||
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchY)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice can't stretch video: %x",
caps.VideoProcessorOperations);
return false;
}
if (caps.DeviceCaps & DXVA2_VPDev_EmulatedDXVA1) {
// DXVA2 over DXVA1 may have bad performance
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice is DXVA1");
}
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Brightness, &m_BrightnessRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Contrast, &m_ContrastRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Hue, &m_HueRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Saturation, &m_SaturationRange);
hr = m_ProcService->CreateVideoProcessor(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, 0, &m_Processor);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVideoProcessor() failed for DXVA2_VideoProcProgressiveDevice: %x",
hr);
return false;
}
}
m_Device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
m_Device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
m_Device->SetRenderState(D3DRS_LIGHTING, FALSE);
m_Device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
m_Device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
m_Device->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
m_Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
m_Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
m_Device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
m_Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
m_Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
m_Device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
return true;
}
bool DXVA2Renderer::initializeDeviceQuirks()
{
IDirect3D9* d3d9;
HRESULT hr;
SDL_assert(m_DeviceQuirks == 0);
{
bool ok;
m_DeviceQuirks = qEnvironmentVariableIntValue("DXVA2_QUIRK_FLAGS", &ok);
if (ok) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using DXVA2 quirk override: 0x%x",
m_DeviceQuirks);
return true;
}
}
hr = m_Device->GetDirect3D(&d3d9);
if (SUCCEEDED(hr)) {
D3DCAPS9 caps;
hr = m_Device->GetDeviceCaps(&caps);
if (SUCCEEDED(hr)) {
D3DADAPTER_IDENTIFIER9 id;
hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
if (SUCCEEDED(hr)) {
if (id.VendorId == 0x8086) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Intel GPU");
// On Intel GPUs, we can get unwanted video "enhancements" due to post-processing
// effects that the GPU driver forces on us. In many cases, this makes the video
// actually look worse. We can avoid these by using StretchRect() instead on these
// platforms.
m_DeviceQuirks |= DXVA2_QUIRK_NO_VP;
}
else if (id.VendorId == 0x4d4f4351) { // QCOM in ASCII
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Qualcomm GPU");
// On Qualcomm GPUs (all D3D9on12 GPUs?), the scaling quality of VideoProcessBlt()
// is absolutely horrible. StretchRect() is much much better.
m_DeviceQuirks |= DXVA2_QUIRK_NO_VP;
}
else if (id.VendorId == 0x1002 &&
(id.DriverVersion.HighPart > 0x1E0000 ||
(id.DriverVersion.HighPart == 0x1E0000 && HIWORD(id.DriverVersion.LowPart) >= 14000))) { // AMD 21.12.1 or later
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using DestFormat quirk for recent AMD GPU driver");
// AMD's GPU driver doesn't correctly handle color range conversion.
//
// This used to just work because we used Rec 709 Limited which happened to be what AMD's
// driver defaulted to. However, AMD's driver behavior changed to default to Rec 709 Full
// in the 21.12.1 driver, so we must adapt to that.
//
// 30.0.13037.1003 - 21.11.3 - Limited
// 30.0.14011.3017 - 21.12.1 - Full
//
// To sort out this mess, we will use a quirk to tell us to populate DestFormat for AMD.
// For other GPUs, we'll avoid populating it as was our previous behavior.
m_DeviceQuirks |= DXVA2_QUIRK_SET_DEST_FORMAT;
}
// Tag this display device if it has a WDDM 2.0+ driver for the decoder selection logic
if (HIWORD(id.DriverVersion.HighPart) >= 20) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Detected WDDM 2.0 or later display driver");
m_DeviceQuirks |= DXVA2_QUIRK_WDDM_20_PLUS;
}
}
return true;
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDeviceCaps() failed: %x", hr);
}
d3d9->Release();
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDirect3D() failed: %x", hr);
}
return false;
}
bool DXVA2Renderer::isDecoderBlacklisted()
{
IDirect3D9* d3d9;
HRESULT hr;
bool result = false;
if (qgetenv("DXVA2_DISABLE_DECODER_BLACKLIST") == "1") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 decoder blacklist is disabled");
return false;
}
hr = m_Device->GetDirect3D(&d3d9);
if (SUCCEEDED(hr)) {
D3DCAPS9 caps;
hr = m_Device->GetDeviceCaps(&caps);
if (SUCCEEDED(hr)) {
D3DADAPTER_IDENTIFIER9 id;
hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
if (SUCCEEDED(hr)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Detected GPU: %s (%x:%x)",
id.Description,
id.VendorId,
id.DeviceId);
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"GPU driver: %s %d.%d.%d.%d",
id.Driver,
HIWORD(id.DriverVersion.HighPart),
LOWORD(id.DriverVersion.HighPart),
HIWORD(id.DriverVersion.LowPart),
LOWORD(id.DriverVersion.LowPart));
if (DXUtil::isFormatHybridDecodedByHardware(m_VideoFormat, id.VendorId, id.DeviceId)) {
result = true;
}
// Intel drivers from before late-2017 had a bug that caused some strange artifacts
// when decoding HEVC. Avoid HEVC on drivers prior to build 4836 which I confirmed
// is not affected on my Intel HD 515. Also account for the driver version rollover
// that happened with the 101.1069 series.
// https://github.com/moonlight-stream/moonlight-qt/issues/32
// https://www.intel.com/content/www/us/en/support/articles/000005654/graphics-drivers.html
else if (id.VendorId == 0x8086 && HIWORD(id.DriverVersion.LowPart) < 100 && LOWORD(id.DriverVersion.LowPart) < 4836) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Detected buggy Intel GPU driver installed. Update your Intel GPU driver to enable HEVC!");
result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
}
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetAdapterIdentifier() failed: %x", hr);
}
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDeviceCaps() failed: %x", hr);
}
d3d9->Release();
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDirect3D() failed: %x", hr);
}
if (result) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"GPU decoding for format %x is blocked due to hardware limitations",
m_VideoFormat);
}
return result;
}
bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
{
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
SDL_GetWindowWMInfo(window, &info);
IDirect3D9Ex* d3d9ex;
HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Direct3DCreate9Ex() failed: %x",
hr);
return false;
}
int adapterIndex = SDL_Direct3D9GetAdapterIndex(SDL_GetWindowDisplayIndex(window));
Uint32 windowFlags = SDL_GetWindowFlags(window);
D3DCAPS9 deviceCaps;
d3d9ex->GetDeviceCaps(adapterIndex, D3DDEVTYPE_HAL, &deviceCaps);
D3DDISPLAYMODEEX currentMode;
currentMode.Size = sizeof(currentMode);
d3d9ex->GetAdapterDisplayModeEx(adapterIndex, &currentMode, nullptr);
D3DPRESENT_PARAMETERS d3dpp = {};
d3dpp.hDeviceWindow = info.info.win.window;
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
if (m_VideoFormat & VIDEO_FORMAT_MASK_10BIT) {
// Verify 10-bit A2R10G10B10 color support. This is only available
// as a display format in full-screen exclusive mode on DX9.
hr = d3d9ex->CheckDeviceType(adapterIndex,
D3DDEVTYPE_HAL,
D3DFMT_A2R10G10B10,
D3DFMT_A2R10G10B10,
FALSE);
if (FAILED(hr)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"GPU/driver doesn't support A2R10G10B10");
d3d9ex->Release();
return false;
}
}
if ((windowFlags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
d3dpp.Windowed = false;
d3dpp.BackBufferWidth = currentMode.Width;
d3dpp.BackBufferHeight = currentMode.Height;
d3dpp.FullScreen_RefreshRateInHz = currentMode.RefreshRate;
if (m_VideoFormat & VIDEO_FORMAT_MASK_10BIT) {
d3dpp.BackBufferFormat = currentMode.Format = D3DFMT_A2R10G10B10;
}
else {
d3dpp.BackBufferFormat = currentMode.Format;
}
}
else {
d3dpp.Windowed = true;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
SDL_GetWindowSize(window, (int*)&d3dpp.BackBufferWidth, (int*)&d3dpp.BackBufferHeight);
}
BOOL dwmEnabled;
DwmIsCompositionEnabled(&dwmEnabled);
if (d3dpp.Windowed && dwmEnabled) {
// If composition enabled, disable v-sync and let DWM manage things
// to reduce latency by avoiding double v-syncing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
if (enableVsync) {
// D3DSWAPEFFECT_FLIPEX requires at least 3 back buffers to allow us to
// continue while DWM is waiting to render the surface to the display.
// NVIDIA seems to be fine with 2, but AMD needs 3 to perform well.
d3dpp.BackBufferCount = 3;
}
else {
// With V-sync off, we need 1 more back buffer to render to while the
// driver/DWM are holding the others.
d3dpp.BackBufferCount = 4;
}
m_BlockingPresent = false;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed mode with DWM running");
}
else if (enableVsync) {
// Uncomposited desktop or full-screen exclusive mode with V-sync enabled
// We will enable V-sync in this scenario to avoid tearing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
m_BlockingPresent = true;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync enabled");
}
else {
// Uncomposited desktop or full-screen exclusive mode with V-sync disabled
// We will allowing tearing for lowest latency.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
m_BlockingPresent = false;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync disabled in tearing mode");
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed: %d | Present Interval: %x",
d3dpp.Windowed, d3dpp.PresentationInterval);
// FFmpeg requires this attribute for doing asynchronous decoding
// in a separate thread with this device.
int deviceFlags = D3DCREATE_MULTITHREADED;
if (deviceCaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
deviceFlags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"No hardware vertex processing support!");
deviceFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
hr = d3d9ex->CreateDeviceEx(adapterIndex,
D3DDEVTYPE_HAL,
d3dpp.hDeviceWindow,
deviceFlags,
&d3dpp,
d3dpp.Windowed ? nullptr : &currentMode,
&m_Device);
d3d9ex->Release();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateDeviceEx() failed: %x",
hr);
return false;
}
// We must not call this for flip swapchains. It will counterintuitively
// increase latency by forcing our Present() to block on DWM even when
// using D3DPRESENT_INTERVAL_IMMEDIATE.
if (d3dpp.SwapEffect != D3DSWAPEFFECT_FLIPEX) {
hr = m_Device->SetMaximumFrameLatency(1);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetMaximumFrameLatency() failed: %x",
hr);
return false;
}
}
return true;
}
bool DXVA2Renderer::initialize(PDECODER_PARAMETERS params)
{
if (qgetenv("DXVA2_ENABLED") == "0") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 is disabled by environment variable");
return false;
}
else if ((params->videoFormat & VIDEO_FORMAT_MASK_10BIT) && m_DecoderSelectionPass == 0) {
// Avoid using DXVA2 for HDR10. While it can render 10-bit color, it doesn't support
// the HDR colorspace and HDR display metadata required to enable HDR mode properly.
return false;
}
#ifndef Q_PROCESSOR_X86
else if (qgetenv("DXVA2_ENABLED") != "1" && m_DecoderSelectionPass == 0) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 is disabled by default on ARM64. Set DXVA2_ENABLED=1 to override.");
return false;
}
#endif
m_VideoFormat = params->videoFormat;
m_VideoWidth = params->width;
m_VideoHeight = params->height;
RtlZeroMemory(&m_Desc, sizeof(m_Desc));
int alignment;
// HEVC using DXVA requires 128 pixel alignment, however Intel GPUs decoding HEVC
// using StretchRect() to render draw a translucent green line at the top of
// the screen in full-screen mode at 720p/1080p unless we use 32 pixel alignment.
// This appears to work without issues on AMD and Nvidia GPUs too, so we will
// do it unconditionally for now.
if (m_VideoFormat & VIDEO_FORMAT_MASK_H265) {
alignment = 32;
}
else {
alignment = 16;
}
m_Desc.SampleWidth = FFALIGN(m_VideoWidth, alignment);
m_Desc.SampleHeight = FFALIGN(m_VideoHeight, alignment);
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_Unknown;
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
m_Desc.SampleFormat.VideoLighting = DXVA2_VideoLighting_Unknown;
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
m_Desc.SampleFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
if (m_VideoFormat & VIDEO_FORMAT_MASK_10BIT) {
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('P','0','1','0');
}
else {
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
}
if (!initializeDevice(params->window, params->enableVsync)) {
return false;
}
if (!initializeDeviceQuirks()) {
return false;
}
// If we have a WDDM 2.0 or later display driver and we're not running in
// full-screen exclusive mode, prefer the D3D11VA renderer.
//
// D3D11VA is better in this case because it can enable tearing in non-FSE
// modes when the user has V-Sync disabled. In non-FSE V-Sync cases, D3D11VA
// provides lower display latency on systems that support Independent Flip
// in windowed mode. When using D3D9, DWM will not promote us to IFlip unless
// we're full-screen (exclusive or not).
//
// NB: The reason we only do this for WDDM 2.0 and later is because older
// AMD drivers (such as those for the HD 5570) render garbage when using
// the D3D11VA renderer.
if (m_DecoderSelectionPass == 0 &&
(m_DeviceQuirks & DXVA2_QUIRK_WDDM_20_PLUS) &&
!((SDL_GetWindowFlags(params->window) & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Defaulting to D3D11VA for non-FSE mode");
return false;
}
if (!initializeDecoder()) {
return false;
}
if (!initializeRenderer()) {
return false;
}
// For some reason, using Direct3D9Ex breaks this with multi-monitor setups.
// When focus is lost, the window is minimized then immediately restored without
// input focus. This glitches out the renderer and a bunch of other stuff.
// Direct3D9Ex itself seems to have this minimize on focus loss behavior on its
// own, so just disable SDL's handling of the focus loss event.
SDL_SetHintWithPriority(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0", SDL_HINT_OVERRIDE);
return true;
}
void DXVA2Renderer::notifyOverlayUpdated(Overlay::OverlayType type)
{
HRESULT hr;
SDL_Surface* newSurface = Session::get()->getOverlayManager().getUpdatedOverlaySurface(type);
if (newSurface == nullptr && Session::get()->getOverlayManager().isOverlayEnabled(type)) {
// The overlay is enabled and there is no new surface. Leave the old texture alone.
return;
}
SDL_AtomicLock(&m_OverlayLock);
IDirect3DTexture9* oldTexture = m_OverlayTextures[type];
m_OverlayTextures[type] = nullptr;
IDirect3DVertexBuffer9* oldVertexBuffer = m_OverlayVertexBuffers[type];
m_OverlayVertexBuffers[type] = nullptr;
SDL_AtomicUnlock(&m_OverlayLock);
SAFE_COM_RELEASE(oldTexture);
SAFE_COM_RELEASE(oldVertexBuffer);
// If the overlay is disabled, we're done
if (!Session::get()->getOverlayManager().isOverlayEnabled(type)) {
SDL_FreeSurface(newSurface);
return;
}
// Create a dynamic texture to populate with our pixel data
SDL_assert(!SDL_MUSTLOCK(newSurface));
IDirect3DTexture9* newTexture = nullptr;
hr = m_Device->CreateTexture(newSurface->w,
newSurface->h,
1,
D3DUSAGE_DYNAMIC,
D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT,
&newTexture,
nullptr);
if (FAILED(hr)) {
SDL_FreeSurface(newSurface);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateTexture() failed: %x",
hr);
return;
}
D3DLOCKED_RECT lockedRect;
hr = newTexture->LockRect(0, &lockedRect, nullptr, D3DLOCK_DISCARD);
if (FAILED(hr)) {
SDL_FreeSurface(newSurface);
SAFE_COM_RELEASE(newTexture);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"IDirect3DTexture9::LockRect() failed: %x",
hr);
return;
}
// Copy (and convert, if necessary) the surface pixels to the texture
SDL_ConvertPixels(newSurface->w, newSurface->h, newSurface->format->format, newSurface->pixels,
newSurface->pitch, SDL_PIXELFORMAT_ARGB8888, lockedRect.pBits, lockedRect.Pitch);
newTexture->UnlockRect(0);
SDL_FRect renderRect = {};
if (type == Overlay::OverlayStatusUpdate) {
// Bottom Left
renderRect.x = 0;
renderRect.y = m_DisplayHeight - newSurface->h;
}
else if (type == Overlay::OverlayDebug) {
// Top left
renderRect.x = 0;
renderRect.y = 0;
}
renderRect.w = newSurface->w;
renderRect.h = newSurface->h;
// The surface is no longer required
SDL_FreeSurface(newSurface);
newSurface = nullptr;
VERTEX verts[] =
{
{renderRect.x, renderRect.y, 0, 1, 0, 0},
{renderRect.x, renderRect.y+renderRect.h, 0, 1, 0, 1},
{renderRect.x+renderRect.w, renderRect.y+renderRect.h, 0, 1, 1, 1},
{renderRect.x+renderRect.w, renderRect.y, 0, 1, 1, 0}
};
IDirect3DVertexBuffer9* newVertexBuffer = nullptr;
hr = m_Device->CreateVertexBuffer(sizeof(verts),
D3DUSAGE_WRITEONLY,
D3DFVF_XYZRHW | D3DFVF_TEX1,
D3DPOOL_DEFAULT,
&newVertexBuffer,
nullptr);
if (FAILED(hr)) {
SAFE_COM_RELEASE(newTexture);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVertexBuffer() failed: %x",
hr);
return;
}
PVOID targetVertexBuffer = nullptr;
hr = newVertexBuffer->Lock(0, 0, &targetVertexBuffer, 0);
if (FAILED(hr)) {
SAFE_COM_RELEASE(newTexture);
SAFE_COM_RELEASE(newVertexBuffer);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"IDirect3DVertexBuffer9::Lock() failed: %x",
hr);
return;
}
RtlCopyMemory(targetVertexBuffer, verts, sizeof(verts));
newVertexBuffer->Unlock();
SDL_AtomicLock(&m_OverlayLock);
m_OverlayVertexBuffers[type] = newVertexBuffer;
m_OverlayTextures[type] = newTexture;
SDL_AtomicUnlock(&m_OverlayLock);
}
void DXVA2Renderer::renderOverlay(Overlay::OverlayType type)
{
HRESULT hr;
if (!Session::get()->getOverlayManager().isOverlayEnabled(type)) {
return;
}
// If the overlay is being updated, just skip rendering it this frame
if (!SDL_AtomicTryLock(&m_OverlayLock)) {
return;
}
IDirect3DTexture9* overlayTexture = m_OverlayTextures[type];
IDirect3DVertexBuffer9* overlayVertexBuffer = m_OverlayVertexBuffers[type];
if (overlayTexture == nullptr) {
SDL_AtomicUnlock(&m_OverlayLock);
return;
}
// Reference these objects so they don't immediately go away if the
// overlay update thread tries to release them.
SDL_assert(overlayVertexBuffer != nullptr);
overlayTexture->AddRef();
overlayVertexBuffer->AddRef();
SDL_AtomicUnlock(&m_OverlayLock);
hr = m_Device->SetTexture(0, overlayTexture);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetTexture() failed: %x",
hr);
goto Exit;
}
hr = m_Device->SetStreamSource(0, overlayVertexBuffer, 0, sizeof(VERTEX));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetStreamSource() failed: %x",
hr);
goto Exit;
}
hr = m_Device->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DrawPrimitive() failed: %x",
hr);
goto Exit;
}
Exit:
overlayTexture->Release();
overlayVertexBuffer->Release();
}
int DXVA2Renderer::getDecoderColorspace()
{
if (m_DeviceQuirks & DXVA2_QUIRK_NO_VP) {
// StretchRect() assumes Rec 601 on Intel and Qualcomm GPUs.
return COLORSPACE_REC_601;
}
else {
// VideoProcessBlt() should properly handle whatever, since
// we provide colorspace information. We used to use this because
// we didn't know how to get AMD to respect the requested colorspace,
// but now it's just because it's what we used before.
return COLORSPACE_REC_709;
}
}
int DXVA2Renderer::getDecoderCapabilities()
{
return CAPABILITY_REFERENCE_FRAME_INVALIDATION_HEVC;
}
void DXVA2Renderer::renderFrame(AVFrame *frame)
{
IDirect3DSurface9* surface = reinterpret_cast<IDirect3DSurface9*>(frame->data[3]);
HRESULT hr;
m_Desc.SampleFormat.NominalRange = isFrameFullRange(frame) ? DXVA2_NominalRange_0_255 : DXVA2_NominalRange_16_235;
switch (frame->color_primaries) {
case AVCOL_PRI_BT709:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT709;
break;
case AVCOL_PRI_BT470M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysM;
break;
case AVCOL_PRI_BT470BG:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysBG;
break;
case AVCOL_PRI_SMPTE170M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE170M;
break;
case AVCOL_PRI_SMPTE240M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE240M;
break;
default:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
break;
}
switch (frame->color_trc) {
case AVCOL_TRC_SMPTE170M:
case AVCOL_TRC_BT709:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_709;
break;
case AVCOL_TRC_LINEAR:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_10;
break;
case AVCOL_TRC_GAMMA22:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_22;
break;
case AVCOL_TRC_GAMMA28:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_28;
break;
case AVCOL_TRC_SMPTE240M:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_240M;
break;
case AVCOL_TRC_IEC61966_2_1:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_sRGB;
break;
default:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
break;
}
switch (getFrameColorspace(frame)) {
case COLORSPACE_REC_709:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT709;
break;
case COLORSPACE_REC_601:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT601;
break;
default:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
break;
}
switch (frame->chroma_location) {
case AVCHROMA_LOC_LEFT:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
break;
case AVCHROMA_LOC_CENTER:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
break;
case AVCHROMA_LOC_TOPLEFT:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
DXVA2_VideoChromaSubsampling_Vertically_Cosited;
break;
default:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
break;
}
DXVA2_VideoSample sample = {};
sample.Start = m_FrameIndex;
sample.End = m_FrameIndex + 1;
sample.SrcSurface = surface;
sample.SrcRect.right = m_VideoWidth;
sample.SrcRect.bottom = m_VideoHeight;
sample.SampleFormat = m_Desc.SampleFormat;
sample.PlanarAlpha = DXVA2_Fixed32OpaqueAlpha();
// Center in frame and preserve aspect ratio
SDL_Rect src, dst;
src.x = src.y = 0;
src.w = m_VideoWidth;
src.h = m_VideoHeight;
dst.x = dst.y = 0;
dst.w = m_DisplayWidth;
dst.h = m_DisplayHeight;
StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
sample.DstRect.left = dst.x;
sample.DstRect.right = dst.x + dst.w;
sample.DstRect.top = dst.y;
sample.DstRect.bottom = dst.y + dst.h;
DXVA2_VideoProcessBltParams bltParams = {};
bltParams.TargetFrame = m_FrameIndex++;
bltParams.TargetRect = sample.DstRect;
bltParams.BackgroundColor.Alpha = 0xFFFF;
if (m_DeviceQuirks & DXVA2_QUIRK_SET_DEST_FORMAT) {
bltParams.DestFormat = m_Desc.SampleFormat;
}
else {
bltParams.DestFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
}
bltParams.ProcAmpValues.Brightness = m_BrightnessRange.DefaultValue;
bltParams.ProcAmpValues.Contrast = m_ContrastRange.DefaultValue;
bltParams.ProcAmpValues.Hue = m_HueRange.DefaultValue;
bltParams.ProcAmpValues.Saturation = m_SaturationRange.DefaultValue;
bltParams.Alpha = DXVA2_Fixed32OpaqueAlpha();
hr = m_Device->Clear(0, nullptr, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, 0, 0, 0), 0.0f, 0);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Clear() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
hr = m_Device->BeginScene();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"BeginScene() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
if (m_Processor) {
hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"VideoProcessBlt() failed, falling back to StretchRect(): %x",
hr);
m_Processor->Release();
m_Processor = nullptr;
}
}
if (!m_Processor) {
// StretchRect() assumes Rec 601 on Intel and Qualcomm GPUs.
SDL_assert(m_Desc.SampleFormat.VideoTransferMatrix == DXVA2_VideoTransferMatrix_BT601);
// This function doesn't trigger any of Intel's garbage video "enhancements"
hr = m_Device->StretchRect(surface, &sample.SrcRect, m_RenderTarget, &sample.DstRect, D3DTEXF_NONE);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"StretchRect() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
}
// Render overlays on top of the video stream
for (int i = 0; i < Overlay::OverlayMax; i++) {
renderOverlay((Overlay::OverlayType)i);
}
hr = m_Device->EndScene();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"EndScene() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
do {
// Use D3DPRESENT_DONOTWAIT if present may block in order to avoid holding the giant
// lock around this D3D device for excessive lengths of time (blocking concurrent decoding tasks).
hr = m_Device->PresentEx(nullptr, nullptr, nullptr, nullptr, m_BlockingPresent ? D3DPRESENT_DONOTWAIT : 0);
if (hr == D3DERR_WASSTILLDRAWING) {
SDL_Delay(1);
}
} while (hr == D3DERR_WASSTILLDRAWING);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"PresentEx() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
}
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